package pack0812;

public class DemoB {
    public static void main(String[] args) {
        int[] a1 = {1,2,3};
        int[] a2= {2,3,4};
        int[][] a = {a1,a2};
        int[][] b = {{1,2,3},{2,3,4,5,6},{3,4,5}};
        int[][] c =  new int[3][4];
        for(int i =0;i<b.length;i++){
            int[] b1 = b[i];
            for(int j = 0;j<b1.length;j++){
                System.out.print(b[i][j]+"\t");
            }
            System.out.println();
        }
    }
}
